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add hana

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Looly 2025-04-11 09:50:20 +08:00
parent 581a5dd0fd
commit 58d44d6086
8 changed files with 213 additions and 4 deletions
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6
hutool-db/pom.xml
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@ -164,5 +164,11 @@
<version>2.4.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.sap.cloud.db.jdbc</groupId>
<artifactId>ngdbc</artifactId>
<version>2.24.7</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>

3
hutool-db/src/main/java/org/dromara/hutool/db/dialect/DialectFactory.java
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@ -89,6 +89,9 @@ public class DialectFactory {
} else if (DriverNames.DRIVER_GOLDENDB.equalsIgnoreCase(driverName)) {
// MySQL兼容
return new MysqlDialect(dbConfig);
} else if (DriverNames.DRIVER_HANA.equalsIgnoreCase(driverName)) {
// SAP HANA
return new HanaDialect(dbConfig);
}
}
// 无法识别可支持的数据库类型默认使用ANSI方言，可兼容大部分SQL语句

2
hutool-db/src/main/java/org/dromara/hutool/db/dialect/DialectName.java
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@ -25,7 +25,7 @@ import org.dromara.hutool.core.text.StrUtil;
* @author Looly
*/
public enum DialectName {
ANSI, MYSQL, ORACLE, POSTGRESQL, SQLITE3, H2, SQLSERVER, SQLSERVER2012, PHOENIX, DM;
ANSI, MYSQL, ORACLE, POSTGRESQL, SQLITE3, H2, SQLSERVER, SQLSERVER2012, PHOENIX, DM, HANA;
/**
* 是否为指定数据库方言，检查时不分区大小写

107
hutool-db/src/main/java/org/dromara/hutool/db/dialect/impl/HanaDialect.java Normal file
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@ -0,0 +1,107 @@
/*
* Copyright (c) 2025 Hutool Team and hutool.cn
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.dromara.hutool.db.dialect.impl;
import org.dromara.hutool.core.text.StrUtil;
import org.dromara.hutool.db.DbException;
import org.dromara.hutool.db.Entity;
import org.dromara.hutool.db.config.DbConfig;
import org.dromara.hutool.db.dialect.DialectName;
import org.dromara.hutool.db.sql.QuoteWrapper;
import org.dromara.hutool.db.sql.SqlBuilder;
import org.dromara.hutool.db.sql.StatementUtil;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* Hana数据库方言
*
* @author daoyou.dev
*/
public class HanaDialect extends AnsiSqlDialect {
private static final long serialVersionUID = 1L;
/**
* 构造
*
* @param config 数据库配置对象
*/
public HanaDialect(final DbConfig config) {
super(config);
quoteWrapper = new QuoteWrapper('"');
}
@Override
public String dialectName() {
return DialectName.HANA.name();
}
/**
* 构建用于upsert的{@link PreparedStatement}。
* SAP HANA 使用 MERGE INTO 语法来实现 UPSERT 操作。
* <p>
* 生成 SQL 语法为：
* <pre>{@code
* MERGE INTO demo AS target
* USING (SELECT ? AS a, ? AS b, ? AS c FROM DUMMY) AS source
* ON target.id = source.id
* WHEN MATCHED THEN
* UPDATE SET target.a = source.a, target.b = source.b, target.c = source.c
* WHEN NOT MATCHED THEN
* INSERT (a, b, c) VALUES (source.a, source.b, source.c);
* }</pre>
*
* @param conn 数据库连接对象
* @param entity 数据实体类（包含表名）
* @param keys 主键字段数组，通常用于确定匹配条件（联合主键）
* @return PreparedStatement
* @throws DbException SQL 执行异常
*/
@Override
public PreparedStatement psForUpsert(final Connection conn, final Entity entity, final String... keys) throws DbException {
SqlBuilder.validateEntity(entity);
final SqlBuilder builder = SqlBuilder.of(quoteWrapper);
final List<String> columns = new ArrayList<>();
// 构建字段部分和参数占位符部分
entity.forEach((field, value) -> {
if (StrUtil.isNotBlank(field)) {
columns.add(quoteWrapper != null ? quoteWrapper.wrap(field) : field);
builder.addParams(value);
}
});
String tableName = entity.getTableName();
if (quoteWrapper != null) {
tableName = quoteWrapper.wrap(tableName);
}
// 构建 UPSERT 语句
builder.append("UPSERT ").append(tableName).append(" (");
builder.append(String.join(", ", columns));
builder.append(") VALUES (");
builder.append(String.join(", ", Collections.nCopies(columns.size(), "?")));
builder.append(") WITH PRIMARY KEY");
return StatementUtil.prepareStatement(false, this.dbConfig, conn, builder.build(), builder.getParamValueArray());
}
}

4
hutool-db/src/main/java/org/dromara/hutool/db/driver/DriverIdentifier.java
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@ -131,7 +131,9 @@ public class DriverIdentifier implements DriverNames{
new StartsWithDriverMatcher(DRIVER_GAUSS, "jdbc:zenith:"),
new StartsWithDriverMatcher(DRIVER_OPENGAUSS, "jdbc:opengauss:"),
// 中兴GoldenDB
new StartsWithDriverMatcher(DRIVER_GOLDENDB, "jdbc:goldendb:")
new StartsWithDriverMatcher(DRIVER_GOLDENDB, "jdbc:goldendb:"),
// SAP HANA
new StartsWithDriverMatcher(DRIVER_HANA, "jdbc:sap:")
);
}

5
hutool-db/src/main/java/org/dromara/hutool/db/driver/DriverNames.java
View File

@ -252,9 +252,12 @@ public interface DriverNames {
* JDBC 驱动 Greenplum
*/
String DRIVER_GREENPLUM = "com.pivotal.jdbc.GreenplumDriver";
/**
* JDBC 驱动 GoldenDB
*/
String DRIVER_GOLDENDB = "com.goldendb.jdbc.Driver";
/**
* JDBC 驱动 Sap Hana
*/
String DRIVER_HANA = "com.sap.db.jdbc.Driver";
}

82
hutool-db/src/test/java/org/dromara/hutool/db/HanaTest.java Normal file
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@ -0,0 +1,82 @@
package org.dromara.hutool.db;
import org.dromara.hutool.core.lang.Console;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
import java.sql.SQLException;
import java.util.List;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class HanaTest {
@BeforeAll
public static void createTable() {
final Db db = Db.of("hana");
final long count = db.count("SELECT * FROM SYS.TABLES WHERE TABLE_NAME = ? AND SCHEMA_NAME = CURRENT_SCHEMA", "user");
if (count > 0) {
db.execute("drop table \"user\"");
}
db.execute("CREATE COLUMN TABLE \"user\" (\"id\" INT NOT NULL, \"account\" VARCHAR(255), \"name\" VARCHAR(255), \"text\" VARCHAR(255), \"test1\" VARCHAR(255), \"pass\" VARCHAR(255), PRIMARY KEY (\"id\"))");
}
@Test
@Disabled
public void insertTest() {
for (int id = 100; id < 200; id++) {
Db.of("hana").insert(Entity.of("user")//
.set("id", id)//
.set("name", "测试用户" + id)//
.set("text", "描述" + id)//
.set("test1", "t" + id)//
);
}
}
/**
* 事务测试<br>
* 更新三条信息，低2条后抛出异常，正常情况下三条都应该不变
*
* @throws SQLException SQL异常
*/
@Test
@Disabled
public void txTest() throws SQLException {
Db.of("hana").tx(db -> {
final int update = db.update(Entity.of("user").set("text", "描述100"), Entity.of().set("id", 100));
db.update(Entity.of("user").set("text", "描述101"), Entity.of().set("id", 101));
if (1 == update) {
// 手动指定异常，然后测试回滚触发
throw new RuntimeException("Error");
}
db.update(Entity.of("user").set("text", "描述102"), Entity.of().set("id", 102));
});
}
@Test
@Disabled
public void pageTest() {
final PageResult<Entity> result = Db.of("hana").page(Entity.of("\"user\""), new Page(2, 10));
for (final Entity entity : result) {
Console.log(entity.get("id"));
}
}
@Test
@Disabled
public void getTimeStampTest() {
final List<Entity> all = Db.of("hana").findAll("user");
Console.log(all);
}
@Test
public void upsertTest() {
final Db db = Db.of("hana");
db.insert(Entity.of("user").set("id", 1).set("account", "ice").set("pass", "123456"));
db.upsert(Entity.of("user").set("id", 1).set("account", "daoyou").set("pass", "a123456").set("name", "道友"));
final Entity user = db.get(Entity.of("user").set("id", 1));
System.out.println("user=======" + user.getStr("account") + "___" + user.getStr("pass"));
assertEquals("daoyou", user.getStr("account"));
}
}

6
hutool-db/src/test/resources/config/db.setting
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@ -108,3 +108,9 @@ url = jdbc:oceanbase://localhost:2881/test
user = root
pass = 123456
remarks = true
[hana]
url = jdbc:sap://localhost:30015/HAP_CONN?autoReconnect=true
user = DB
pass = 123456
remarks = true